*{
    padding: 0;
    margin: 0;
}
body{
    font-family: "宋体","黑体","楷体";
    font-size: 14px;
}
p{
    text-align: left;
    text-indent: 2em;
    line-height: 26px;
}
.daohang{
    height: 120px;
    background-color: #012231;
}
.daohang ul>li{
    float: left;
    list-style-type: none;
    font-size: 12px;
    line-height: 120px;
    text-align: center;
}
.daohang a{
    list-style-type: none;
    color: #ffffff;
}
.biaoti{
    padding-left: 5%;
    font-size: 50px;
    line-height: 100px;
}
.content{
    color: #ffffff;
}
.content:nth-child(2){
    color: #2fd828;
}
.banquan{
    height: 100px;
    background-color: #012231;
    color: #ffffff;
    text-align: center;
    line-height: 100px;
    font-size: 22px;
}
.this{
    background-color: #2fd828;
}
@media screen and (min-width:500px) and (max-width:1300px) {
    .daohang ul>li{
        float: left;
        list-style-type: none;
        font-size: 16px;
        line-height: 120px;
        text-align: center;
    }
}

/* 小屏幕（平板，大于等于 768px） */
@media (min-width: 768px) {
    .daohang ul>li{
        float: left;
        list-style-type: none;
        font-size: 12px;
        line-height: 120px;
        text-align: center;
    }
}

/* 中等屏幕（桌面显示器，大于等于 992px） */
@media (min-width:992px) {
    .daohang ul>li{
        float: left;
        list-style-type: none;
        font-size: 16px;
        line-height: 120px;
        text-align: center;
    }
}

/* 大屏幕（大桌面显示器，大于等于 1200px） */
@media (min-width: 1200px) {
    .daohang ul>li{
        float: left;
        list-style-type: none;
        font-size: 18px;
        line-height: 120px;
        text-align: center;
    }
}